package com.xy.config;

import com.xy.service.CustomUserService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Bean
    protected UserDetailsService customUserService() {
        return new CustomUserService();
    }

    /*@Autowired
    public void configureAuthentication(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
        authenticationManagerBuilder
                // 设置UserDetailsService
                .userDetailsService(customUserService())
                // 使用BCrypt进行密码的hash
                .passwordEncoder(passwordEncoder());
    }*/
    // 装载BCrypt密码编码器
    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Bean
    public DaoAuthenticationProvider authenticationProvider() {
        DaoAuthenticationProvider authenticationProvider = new DaoAuthenticationProvider();
        authenticationProvider.setUserDetailsService(customUserService());
        authenticationProvider.setPasswordEncoder(passwordEncoder());
        return authenticationProvider;
    }

    @Bean
    public JwtAuthenticationTokenFilter authenticationTokenFilterBean() throws Exception {
        return new JwtAuthenticationTokenFilter();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth
                // 设置UserDetailsService
                .userDetailsService(customUserService())
                // 使用BCrypt进行密码的hash
                .passwordEncoder(passwordEncoder());
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
//		 添加JWT filter
//		http.addFilterBefore(authenticationTokenFilterBean(),UsernamePasswordAuthenticationFilter.class);
//		http.authorizeRequests().antMatchers("/**").permitAll();
//		.antMatchers("/admin/**").hasIpAddress("127.0.0.1")
//		.antMatchers("/admin/**").access("hasAuthority('ROLE_ADMIN')")
//		.anyRequest().authenticated().and().formLogin().loginPage("/login")
//				.failureUrl("/login?error").permitAll().and().logout().permitAll();

        httpSecurity
                // 由于使用的是JWT，我们这里不需要csrf
                .csrf().disable()
                // 基于token，所以不需要session
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                .authorizeRequests()
                //.antMatchers(HttpMethod.OPTIONS, "/**").permitAll()
                // 允许对于网站静态资源的无授权访问
                .antMatchers(
                        HttpMethod.GET,
                        "/",
                        "/*.html",
                        "/favicon.ico",
                        "/**/*.html",
                        "/**/*.css",
                        "/**/*.js"
                ).permitAll()
                //swagger-ui
                .antMatchers("/v2/api-docs", "/configuration/ui/**", "/swagger-resources/**", "/configuration/security/**",
                        "/swagger-ui.html", "/webjars/**", "/images/**").permitAll()
                // 对于获取token的rest api要允许匿名访问
                .antMatchers("/auth/**").permitAll()
                .antMatchers("/test/**").permitAll()
                .antMatchers("/api/version/**").permitAll()
//				.antMatchers("/api/image/view/**").permitAll()
//                .antMatchers("/address/**").permitAll()
                .antMatchers("/areaversion/**").permitAll()
                .antMatchers("/area/**").permitAll()
                .antMatchers("/RequestTo/**").permitAll()
                .antMatchers("/cellback/**").permitAll()
                .antMatchers("/userexpress").permitAll()
                .antMatchers("/api/picture/**").permitAll()
                .antMatchers("/api/product/**").permitAll()
                .antMatchers("/api/particulars/**").permitAll()
                .antMatchers("/api/user/**").permitAll()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated();
        // 添加JWT filter
        httpSecurity
                .addFilterBefore(authenticationTokenFilterBean(), UsernamePasswordAuthenticationFilter.class);
        // 禁用缓存
        httpSecurity.headers().cacheControl();
    }
}
